Physics, 19.09.2019 08:30 dean111375
Asound-producing object is moving toward an observer. the sound the observer hears will have a frequency that actually being produced by the object.
higher than
lower than
same as
Answers: 2
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Explain what will happen if decomposers were apsent from a forest ecoysystem.
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Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
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Asound-producing object is moving toward an observer. the sound the observer hears will have a frequ...
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